La Telemecanique Electric
242Patents
0Active
242Granted
41Portfolio score
Filing activity: Feb 13, 1974 → Jul 15, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4245673A | Pneumatic logic circuit | Emerging Cross-Sectional Technologies | 134 | Expired |
| US4289957A | Reading stroke codes | Physics | 67 | Expired |
| US4545697A | Device for fixing by screwing onto a channel section and the combination of a channel section and such a device | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4419625A | Determining asynchronous motor couple | Physics | 57 | Expired |
| US4641270A | Process for manufacturing a mold using three-dimensional computer modelling | Performing Operations; Transporting | 55 | Expired |
| US4040694A | Framework for metal cabinet | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4709205A | Inductive sensor for current measurement | Electricity | 45 | Expired |
| US4816958A | Fault current interrupter including a metal oxide varistor | Electricity | 44 | Expired |
| US4816792A | Circuit breaker apparatus with remote controlled opening and closing of its circuits | Electricity | 43 | Expired |
| US4904829A | Actuator-controlled keylock switch | Electricity | 37 | Expired |
| USD323815S | Thermal relay housing | General | 34 | Expired |
| US4954928A | Memory cartridge for electronic equipment, and electronic equipment provided with such cartridges | Electricity | 33 | Expired |
| USD315333S | Circuit breaker for electric motor | General | 32 | Expired |
| US4639668A | Analog manipulator with proximity detection of a moveable magnetizable mass | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4471189A | Sealed, modular keyboard providing a tactile feel | Electricity | 30 | Expired |
| USD315144S | Compact enclosed motor control | General | 29 | Expired |
| US3980324A | Swivelling coupling for fluid | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4446513A | DC/AC Bridge inverter including a switching aid and inductive energy recovery circuit | Electricity | 28 | Expired |
| USD326844S | Contactor | General | 26 | Expired |
| US4644308A | Variable composition switching device realizable by the assembling of modular elements | Electricity | 25 | Expired |
| US4638279A | Noiseless electromagnet and a contactor using such an electromagnet | Electricity | 25 | Expired |
| US4230388A | Connection housing for aligned bus bars | Electricity | 24 | Expired |
| US4729744A | Device for assembling together modular blocks of electric equipment | Electricity | 24 | Expired |
| US4513270A | Contactor having self-protection means against the effect of the forces of repulsion between the contacts | Electricity | 23 | Expired |
| US4774656A | Method and apparatus for protecting and monitoring the transmission of information between the central unit of a programmable controller and the sensors and/or the actuators of the controlled process | Physics | 23 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.